On Feb 18, 2022，LYC successfully passed the IRIS: ISO/TS 22163 rail transit industry management system re-certification audit of TUV Certification and TestingCompany, and LYC can maintain the IRIS certificate.
From February 14 to 18, the expert group reviewed all documents and inspected production field according to ISO/TS 22163:2017 technical specification rail transit industry operation management system requirements and quality management system. After carefully review, the expert group unanimously confirmed that the ISO/TS 22163 business management system of the company meets the requirements of international railway industry standards and agreed to maintain the certificate qualification.